Important National Highways in India

National Highways in India

National Highways (NHs) in India

The NHs in India is a network of roads. The National Highways Authority of India (NHAI) develops and upgrades national highways. National Highways are maintained by CPWD, Central Public Works Department.

The ministry governing is Ministry of Road Transport and Highways. The National Highways Development Project (NHDP) is a project launched for upgrading the NHs. The NHs are usually developed on public-private partnership models.

The total length of NHs in India is around 1.15 Lac as of 2018. Other than NHs, there are many others such as Express Highways (Expressways), State Highways etc.

NHs covers around 2% of total roads in India and carries approximately half of the total traffic in India.

Most of them are 2 lanes, which are nearly all being converted to 4 lanes. There are many such important NHs such as NH8 which connects Delhi and Mumbai, NH4 which connects Thane and Chennai.